1,2,4-Benzenetricarboxylic anhydride

2.1 Classification of the substance or mixture

WHMIS 2015 Classification Classified as hazardous under the Hazardous Products Regulations (SOR/2015-17) Acute dermal toxicity Category 4 Acute Inhalation Toxicity Category 4 Serious Eye Damage/Eye Irritation Category 1 Respiratory Sensitization Category 1 Skin Sensitization Category 1 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system.

Signal word

Danger

Hazard statements

Harmful in contact with skin or if inhaled May cause an allergic skin reaction Causes serious eye damage May cause allergy or asthma symptoms or breathing difficulties if inhaled May cause respiratory irritation Harmful if inhaled

Prevention

Avoid breathing dust/fume/gas/mist/vapors/spray Use only outdoors or in a well-ventilated area Contaminated work clothing should not be allowed out of the workplace Wear protective gloves/protective clothing/eye protection/face protection Wear respiratory protection

Response

IF ON SKIN: Wash with plenty of soap and water IF INHALED: Remove person to fresh air and keep comfortable for breathing IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing Immediately call a POISON CENTER/doctor If experiencing respiratory symptoms: Call a POISON CENTER/doctor Wash contaminated clothing before reuse

Storage

Store in a well-ventilated place. Keep container tightly closed Store locked up

Disposal

Dispose of contents/container to an approved waste disposal plant